SIBERIA, temporary non-Bolshevist Government with Gen. Horvath as President established, 254. SIMS, Admiral, 336. SINN FEIN, _see_ IRELAND. SKAGGERRAK, Battle of, _see_ NAVAL Operations. SLAVS, account of Slavonic peoples, 3; "Albanian and Slav," 201. _See also_ CZECHOSLOVAKS; JUGOSLAVIA. SNEEZING Powder, _see_ GAS Warfare. SOCIALISTS, "International Socialists Peace Campaign," 158; criticism of von Kuhlmann's summary of war situation, 319; view of Treaty of Bucharest, 322; text of Premier Clemenceau's speech of defiance to Socialist pacifists, 307. SOISSONS, 21, 386; _see also_ CAMPAIGN in Western Europe. _Soldier Speaks_, (poem), 79. SOLDIERS and sailors, rehabilitation of, "Rebuilding Disabled Soldiers," 101; pensions granted to British disabled soldiers, 203. _Somme, Third Battle of_, 423. _Stars and Stripes_, (poem,) 225. STEPHENS, Winifred, "Reconstructing the Life of France," 286. STRESEMANN, (Dr.) Gustave, criticises von Kuehlmann's summary of war situation, 319. STURGES, (Lieut.) R. S. H., "Fashions of the Firing Line," 309. SUBMARINE warfare, "The U-boat Raid in American Waters," 38; other submarine activities of the month, 40; "Out of the Sleep of Death," 42; summary of losses, 49; Llandovery Castle sunk, 246; statistics of Allies' losses, January to May, 1918, 248; "The Submarine's Increasing Failure": summary of recent activities, 446. _See also_ Hospital Ships. _See also_ Progress of the War, 49, 221, 434. SUPREME War Council, favors independent Poland and Jugoslavia, 126. SWITZERLAND an oasis in wartime, 289. T _Theodoric and Attila on the Marne_, 427. "_Toast to the Flag, A_," (poem,) 360. TRADE, _see_ COMMERCE. TRANSATLANTIC Trust Company, 251. _Transporting America's Army Overseas_, 443. _Troops, Transportation of_, 2. _See also_ U. S. Army. TROTZKY, Leon, attitude on peace with Germany, 113. TURKEY, invasion of Caucasus under Brest Treaty, 131. U U-BOATS, _see_ SUBMARINE Warfare. UKRAINIA, refuses to make peace with Bolshevist Government, 105; peace signed with Russia, 264.